/* ==========================================================================
   Vissu Labs — landing "modo terminal" (opción 1a del handoff)
   Tokens y medidas: design_handoff_vissu_landing_a/README.md
   ========================================================================== */

/* ---- Fuentes autoalojadas -------------------------------------------- */

@font-face {
  font-family: "Sora";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../fonts/sora-latin-var.woff2") format("woff2");
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../fonts/inter-latin-var.woff2") format("woff2");
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-400.woff2") format("woff2");
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/jetbrains-mono-600.woff2") format("woff2");
}

/* ---- Tokens ----------------------------------------------------------- */

:root {
  --carbon: #14181d;
  --carbon-800: #181d24;
  --carbon-900: #0e1116;
  --border-dark: #232a33;
  --slate-600: #3e4a5c;
  --slate-400: #9aa6b5;
  --bone: #efeae1;
  --bone-card: #ffffff;
  --bone-border: #ddd6c8;
  --amber: #f5a524;
  --amber-hover: #ffb84d;
  --amber-active: #db9218;
  --amber-dark: #c77e0c;
  --green: #4ade80;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Sora", var(--font-sans);
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --pad-x: 56px;
  --nav-h: 82px; /* altura real renderizada del nav sticky (padding + CTA + borde) */

  color-scheme: dark;
}

/* ---- Base ------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  background: var(--carbon);
  color: var(--bone);
  font: 400 16px/1.6 var(--font-sans);
}

h1,
h2,
h3,
p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  background: var(--amber);
  color: var(--carbon);
}

a,
button {
  transition: color 150ms ease, background-color 150ms ease, border-color 150ms ease;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--bone);
  outline-offset: 2px;
}

@keyframes vblink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.cursor {
  animation: vblink 2s step-end infinite;
}

@media (prefers-reduced-motion: reduce) {
  .cursor {
    animation: none;
  }
}

.wrap {
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  z-index: 100;
  padding: 12px 20px;
  background: var(--amber);
  color: var(--carbon);
  font: 600 14px var(--font-sans);
  border-radius: 6px;
}

.skip-link:focus {
  top: 12px;
}

/* ---- Botones ----------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border: 0;
  border-radius: 6px;
  font: 600 15px var(--font-sans);
  cursor: pointer;
}

.btn-primary {
  background: var(--amber);
  color: var(--carbon);
}

.btn-primary:hover {
  background: var(--amber-hover);
}

.btn-primary:active {
  background: var(--amber-active);
}

.btn-ghost {
  background: transparent;
  color: var(--bone);
  border: 1px solid var(--slate-600);
}

.btn-ghost:hover {
  border-color: var(--bone);
}

.btn-dark {
  background: var(--carbon);
  color: var(--bone);
}

.btn-dark:hover {
  background: var(--border-dark);
}

/* ---- Wordmark ----------------------------------------------------------- */

.wordmark {
  font: 600 19px var(--font-mono);
  color: var(--bone);
  white-space: nowrap;
}

.wordmark .tick {
  color: var(--amber);
}

.wordmark--sm {
  font-size: 15px;
}

/* ---- Nav ----------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--carbon);
  border-bottom: 1px solid var(--border-dark);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 22px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font: 400 14px var(--font-sans);
}

.nav-links a:not(.btn):hover {
  color: var(--amber);
}

.nav .btn {
  font-size: 14px;
  padding: 10px 20px;
}

/* ---- Hero ----------------------------------------------------------------- */

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  padding-block: 72px 80px;
}

.hero .wrap > * {
  min-width: 0; /* las líneas nowrap de la terminal no deben ensanchar la página */
}

.eyebrow-cmd {
  font: 400 13px var(--font-mono);
  color: var(--green);
  margin-bottom: 20px;
}

.hero h1 {
  font: 600 52px/1.1 var(--font-display);
  color: var(--bone);
  margin-bottom: 20px;
  text-wrap: pretty;
}

.hero-lead {
  font: 400 17px/1.7 var(--font-sans);
  color: var(--slate-400);
  max-width: 46ch;
  margin-bottom: 32px;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font: 400 13px var(--font-mono);
  color: var(--green);
}

.status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
}

/* ---- Terminal ----------------------------------------------------------- */

.terminal {
  background: var(--carbon-900);
  border: 1px solid var(--border-dark);
  border-radius: 10px;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-dark);
}

.terminal-bar .dot {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--slate-600);
}

.terminal-body {
  padding: 24px 24px 28px;
  font: 400 14px/2.1 var(--font-mono);
}

.terminal-body > div {
  min-height: 2.1em; /* reserva la altura final: el typing no mueve el layout */
}

.t-cmd { color: var(--bone); }
.t-ok { color: var(--green); }
.t-note { color: var(--amber); }
.t-cursor { color: var(--amber); }

.t-gap {
  margin-top: 14px;
}

/* ---- Secciones ----------------------------------------------------------- */

.section {
  border-top: 1px solid var(--border-dark);
}

.section > .wrap {
  padding-block: 64px;
}

section[id],
#agenda,
#main {
  scroll-margin-top: calc(var(--nav-h) + 16px);
}

.eyebrow {
  font: 400 13px var(--font-mono);
  color: var(--amber);
  margin-bottom: 12px;
}

.section h2 {
  font: 600 32px/1.2 var(--font-display);
  color: var(--bone);
  margin-bottom: 8px;
  text-wrap: pretty;
}

.section-lead {
  font: 400 15px/1.6 var(--font-sans);
  color: var(--slate-400);
  margin-bottom: 36px;
  text-wrap: pretty;
}

/* ---- Servicios ----------------------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  background: var(--carbon-800);
  border: 1px solid var(--border-dark);
  border-radius: 10px;
  padding: 28px;
  transition: border-color 150ms ease;
}

.card:hover {
  border-color: var(--slate-600);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.card-num {
  font: 400 13px var(--font-mono);
  color: var(--slate-600);
}

.badge {
  font: 600 11px var(--font-mono);
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 99px;
  padding: 3px 10px;
}

.card h3 {
  font: 600 19px var(--font-display);
  color: var(--bone);
  margin-bottom: 10px;
}

.card p {
  font: 400 14px/1.65 var(--font-sans);
  color: var(--slate-400);
  margin-bottom: 16px;
}

.card .card-result {
  font: 400 13px var(--font-mono);
  color: var(--green);
  margin-bottom: 0;
}

/* ---- Auditoría (sección clara) ------------------------------------------- */

.audit {
  background: var(--bone);
  border-top: 0;
}

.audit-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
  align-items: start;
}

.audit .eyebrow {
  color: var(--amber-dark);
}

.audit h2 {
  color: var(--carbon);
  margin-bottom: 16px;
}

.audit-lead {
  font: 400 15px/1.7 var(--font-sans);
  color: var(--slate-600);
  margin-bottom: 24px;
  text-wrap: pretty;
}

.audit a:focus-visible,
.audit button:focus-visible {
  outline-color: var(--carbon);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.step {
  display: flex;
  gap: 18px;
  align-items: baseline;
  background: var(--bone-card);
  border-radius: 10px;
  padding: 20px 24px;
}

.step-num {
  font: 600 15px var(--font-mono);
  color: var(--amber-dark);
}

.step h3 {
  font: 600 16px var(--font-display);
  color: var(--carbon);
}

.step p {
  font: 400 14px/1.6 var(--font-sans);
  color: var(--slate-600);
}

/* ---- Formulario de agenda ------------------------------------------------- */

.booking {
  max-width: 860px;
  margin: 56px auto 0;
  background: var(--carbon);
  border-radius: 10px;
  overflow: hidden;
}

.booking .terminal-bar {
  background: var(--carbon-900);
}

.terminal-title {
  margin-left: 8px;
  font: 400 13px var(--font-mono);
  color: var(--slate-400);
  min-width: 0;
  white-space: nowrap; /* una línea de comando nunca se parte en dos renglones */
  overflow: hidden;
  text-overflow: ellipsis;
}

.booking-body {
  padding: 32px;
}

.booking a:focus-visible,
.booking button:focus-visible,
.booking input:focus-visible,
.booking textarea:focus-visible {
  outline-color: var(--bone);
}

.form-note {
  font: 400 13px var(--font-mono);
  color: var(--slate-400);
  margin-bottom: 24px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}

.field {
  display: flex;
  flex-direction: column;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font: 400 13px var(--font-mono);
  color: var(--slate-400);
  margin-bottom: 8px;
}

.field input,
.field textarea {
  background: var(--carbon-900);
  border: 1px solid var(--border-dark);
  border-radius: 6px;
  color: var(--bone);
  font: 400 15px/1.5 var(--font-sans);
  padding: 12px 14px;
  width: 100%;
}

.field textarea {
  resize: vertical;
  min-height: 96px;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--amber);
  outline: none;
}

.field input:focus-visible,
.field textarea:focus-visible {
  outline: none; /* el borde ámbar es el indicador de foco de los campos */
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--slate-400);
  opacity: 1;
}

.field input:-webkit-autofill,
.field textarea:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px var(--carbon-900) inset;
  -webkit-text-fill-color: var(--bone);
}

.field.is-invalid input,
.field.is-invalid textarea {
  border-color: var(--amber);
}

.field-error {
  font: 400 13px var(--font-sans);
  color: var(--amber);
  margin: 8px 0 0;
}

.form-hint {
  grid-column: 1 / -1;
  font: 400 13px var(--font-mono);
  color: var(--slate-400);
  margin: -6px 0 0;
}

.form-actions {
  grid-column: 1 / -1;
  margin-top: 10px;
}

.form-actions .btn {
  min-width: 260px;
}

.btn[disabled] {
  opacity: 0.7;
  cursor: default;
}

.form-success {
  font: 400 14px/2.1 var(--font-mono);
  color: var(--green);
  margin: 0;
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---- Desarrollo ----------------------------------------------------------- */

#desarrollo h2 {
  font-size: 28px; /* la spec marca este H2 como "sección menor" */
}

.dev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.dev-item {
  border-top: 2px solid var(--slate-600);
  padding-top: 18px;
}

.dev-item h3 {
  font: 600 16px var(--font-display);
  color: var(--bone);
  margin-bottom: 8px;
}

.dev-item p {
  font: 400 14px/1.6 var(--font-sans);
  color: var(--slate-400);
}

/* ---- Footer ----------------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--border-dark);
}

.footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding-block: 28px;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  text-align: right;
}

.footer-tagline {
  font: 400 13px var(--font-sans);
  color: var(--slate-600);
}

.footer-contact {
  font: 400 13px var(--font-mono);
  color: var(--slate-400);
}

.footer-contact a {
  display: inline-block;
  padding-block: 4px;
}

.footer-contact a:hover {
  color: var(--amber);
}

/* ==========================================================================
   Responsive — tablet 768–1023
   ========================================================================== */

@media (max-width: 1023px) {
  :root {
    --pad-x: 32px;
  }

  .hero .wrap {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .audit-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .dev-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==========================================================================
   Responsive — móvil <768
   ========================================================================== */

@media (max-width: 767px) {
  :root {
    --pad-x: 20px;
    --nav-h: 77px;
  }

  .nav .wrap {
    padding-block: 16px;
  }

  .wordmark {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }

  .nav-links a:not(.btn) {
    display: none;
  }

  .nav .btn {
    font-size: 13px;
    padding: 10px 16px;
    min-height: 44px;
  }

  .hero .wrap {
    padding-block: 44px;
    gap: 36px;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.15;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
    min-height: 48px;
  }

  .section > .wrap {
    padding-block: 44px;
  }

  .section h2,
  #desarrollo h2 {
    font-size: 26px;
  }

  .cards,
  .dev-grid {
    grid-template-columns: 1fr;
  }

  .terminal-body {
    font-size: 12px;
    overflow-x: auto;
  }

  .terminal-body > div {
    white-space: nowrap; /* nunca partir una línea de comando en dos renglones */
  }

  .booking {
    margin-top: 40px;
  }

  .booking-body {
    padding: 24px 20px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-actions .btn {
    width: 100%;
    min-width: 0;
    min-height: 48px;
  }

  .btn {
    min-height: 44px;
  }

  .footer .wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .footer-meta {
    align-items: flex-start;
    text-align: left;
  }

  .footer-contact a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding-block: 0;
  }
}